baber/WOPTO huggingface dataset:
Patent GB-1045295-A (GB)
Title: Improvements in or relating to a jet noise suppression device
IPC: F02K1/36
Filed: 1964-03-25
Abstract: 1,045,295. Jet propulsion nozzles. P. BRADSHAW. June 11, 1965 [March 25, 1964], No. 12760/64. Heading F1J. A noise suppression device for reducing the noise generated by a high velocity gaseous jet issuing into the ambient atmosphere comprises a nozzle having means to impart rotation to the gaseous jet issuing from the nozzle and an ejector shroud disposed about the nozzle. A jet propulsion engine nozzle 10 is provided at its downstream end with a series of vanes 11 which are pivotally mounted about axes 12 normal to the axis of the nozzle whereby the vanes may be moved to a position inclined at angle a to the nozzle axis whereby a rotation is imparted to the jet stream issuing from the nozzle. A shroud ring 10a is disposed around the end of the nozzle 10 and atmospheric air is drawn into the shroud by the jet stream discharging therethrough. The vanes may be fixed in the inclined position. In Fig. 3 not shown the vanes 14 are hollow and atmospheric air is caused to flow therethrough. In Figs. 4 and 5 not shown the downstream end of the nozzle is of corrugated form and a pivotally mounted vane 18 is disposed in the path of the jet stream discharging through each of the corrugations 17. A shroud ring 15a is disposed around the downstream end of the nozzle. Instead of a single vane 18 as in Fig. 4 a pair of vanes 22, 23 Fig. 7 not shown may be associated with each corrugation 17. The invention is applicable also in the case of gas turbine ducted fan engines and gas turbine by-pass engines.
Patent GB-1509612-A (GB)
Title: Process for desulphurizing coke
IPC: C10L9/10
Filed: 1975-03-26
Abstract: 1509612 Desulphurizing coke LUMMUS CO 26 March 1975 [1 April 1974] 12786/75 Heading C1A [Also in Division C5] Coke is desulphurized by a process which comprises: (a) heating coke in admixture with 0À5-5% by weight of sodium carbonate, to a coke temperature of from 1600F. to 2400F., and (b) contacting the coke from step (a) with a desulphurizing gas comprising phosgene or a mixture of CO and Cl 2 , said contacting being effected at a coke temperature of from 1200F to 1800F. to produce a coke with a sulphur content of no greater than 0À85%. The coke is preferably in the form of fine particles and is mixed with the sodium carbonate and pelletized before heating in step (a). The sodium carbonate may be added to the coker feedstock.
Patent GB-876076-A (GB)
Title: Improvements relating to high aperture optical objectives
IPC: G02B13/00
Filed: 1960-04-11
Abstract: 876,076. Optical objectives. OPTISCHE INDUSTRIE DE OUDE DELFT N. V. April 11, 1960 [April 9, 1959], No. 12822/60. Class 97(1) A high aperture optical objective of the type described in U.S.A. Specification 2,836,102 and comprising as shown a single convergent meniscus front lens which is convex towards the front, a single convergent meniscus second lens which is likewise convex towards the front, a divergent cemented meniscus doublet which is convex towards the front and whose cemented surface is convex towards the rear, a cemented meniscus doublet which is convex towards the rear and whose cemented surface is convex towards the front, and a single bi-convex rear lens has optical data as given in the Specification.
Patent GB-348351-A (GB)
Title: Improvements in or relating to release valves for pneumatic buffers and the like
IPC: G01L5/28
Filed: 1930-04-26
Abstract: 348,351. Dynamometers. S P A VEN, L. C., Victoria Works, Millhouses, Sheffield. April 26, 1930, No. 12873. [Class 106 (ii).] In a pneumatic buffer used to measure a force applied to its head, an exhaust passage is provided through the piston-rod which is controlled by a valve actuated by the head so that the pressure fluid is released when the applied force is removed. The device is used in connection with apparatus for measuring the braking force applied to a vehicle wheel. The vehicle is run on to four platforms, each of which can move longitudinally in the direction of movement of the vehicle and each of which engages the short arm of a bell-crank lever, the long arm of which engages the head of the device shown in Fig. 3. Each cylinder 22 is connected to a pressure gauge by a pipe 14. The rod 20 of the piston 18 is grooved on its cylindrical surfaces and has a passage 23 communicating with the cylinder which is widened at its outer end to receive the stem 25 of the head 24 the end 26 of the stem forming a valve face to engage a seating 27. A cotter 28 passed through a slot in the piston-rod and fixed to the stem 25 limits upward movement of the stem relative to the piston-rod. A spring 30 normally holds the head and piston in the position shown. In use the vehicle is run on to the platforms and the brakes are applied causing the platforms to slide and through the bell-crank levers force down the pistons, the force being read off on the gauges which are grouped together. When the vehicle is removed the pistons are returned by the springs, the valves opening to atmosphere so that the gauges all read atmospheric pressure.
Patent GB-1493028-A (GB)
Title: Cutting tool for use in machine tools
IPC: B23B27/18
Filed: 1975-03-27
Abstract: 1493028 Cutting tools TH KIESERLING & ALBRECHT 27 March 1975 [28 March 1974] 12914/75 Heading B3B A cutting tool comprises two cutting elements 2, 3 of hard metal or ceramic material welded in position in edge grooves of a support member 18 made from a material less brittle than the cutting elements, e.g. steel, the said elements 2, 3 being separated by an intervening portion 17 of the support member and each being formed with a step 8, 9 to guide chips cut from a workpiece. The top surface of the intervening portion 17 is flush with the top of the cutting elements 2, 3. The cutting tool is clamped in a tool support and may be indexed 180 degrees about axis 19 to present an alternative cutting edge.
Patent GB-884075-A (GB)
Title: Improvements in or relating to tensioning devices
IPC: B65H59/18
Filed: 1958-04-23
Abstract: 884,075. Knitting machines. MACQUEEN CYBERNETICS Ltd., EVERSHED & VIGNOLES Ltd., and BROOKE, E. R. April 23, 1959 [April 23, 1958]. No. 12926/58. Class 74 (2). [Also in Groups IX and XXXIV] A device for controlling the tension of a yarn &c. passing e.g. to a circular knitting machine, comprises a cylinder rotatable about its axis with an aperture extending axially from one of its ends and opening into the periphery of the cylinder to permit the filament to be fed from the apertured end on to the periphery around which it passes and is frictionally engaged therewith and electromagnetic means biasing the member to rotate in a direction opposed to that in which the filament is fed. In Fig. 1, the yarn passes via a guide 8 to an aperture 4 in the flange of a rotatable member 1 and thence via a guide 9 to the using apparatus; the member is secured to the shaft of a constant torque electric motor at 2, so that when the motor is started, the member is rotated in a direction contrary to that in which the yarn is being fed and a number of turns are wound on the member until the frictional load on the yarn brings the member to rest. The member 1 may comprise a hollow drum or an apertured barrel or spider; in Fig. 5 it comprises a drum 41 with a yarn-aperture 43 mounted to rotate on a shaft 39 and carried by a rotor 37 in a gap between a core 36 and a stator with a threephase winding 35. The torque exerted by the rotor can be varied by a resistance in the circuit of the winding or by moving the core 36, and the rotation of the drum is limited should the yarn break, by lugs on discs on the shaft 39 co-operating with a fixed lug. In Fig. 7 the member comprises a flanged spindle with an axial duct and an aperture 101; it is supported by the flanges of three bobbin-shaped wheels 83 supported in a plate 84 which has a slot, of which the width can be adjusted by a screw to vary the setting of the wheels. The spindle is driven by a metal cup 93 lying as shown between the poles of a core 95 energized by a single-phase winding 96, a copper shading ring 97 being provided. A washer 98 vibrates sufficiently to minimize friction between the spindle and bearing wheels. The drive may alternatively be effected from a continuously driven motor through a magnet co-operating with the cup 93. A stop motion may be provided to prevent the motor racing if an end breaks; this consists of a spring-urged arm resting against the yarn adapted to operate a switch when the yarn breaks. To prevent building up of the diameter of the yarn during re-winding periods, which would interfere with the working tension, the output guide, e.g. 9 in Fig. 1, may then be oscillated.
Patent GB-1477776-A (GB)
Title: Fluid conveying ducts
IPC: F16L55/02
Filed: 1975-03-27
Abstract: 1477776 Silencing gaseous flow BERTIN & CIE and AEROPORT DE PARIS 27 March 1975 [28 March 1974] 13065/75 Heading F1B Guide vanes 3,3' are mounted in the elbow C of a jet engine ground silencer S between the walls of the elbow and spaced plates 4,4' to which they are secured. The free ends of the plates 4,4' are connected by a pivoted link 8 to the silencer duct wall. The upstream and downstream ends of the gap between the plates 4,4' are covered by curved members 11, 12 welded each to one of the plates.
Patent GB-1503912-A (GB)
Title: Apparatus for use in the measurement of the flow rate of fluid flow
IPC: A61B5/087
Filed: 1974-03-25
Abstract: 1503912 Measuring fluid-flow H M ELGAMMAL 21 March 1975 [25 March 1974] 13076/74 Heading G1R A device for measuring fluid-flow through a duct comprises means to project at least one jet of fluid across the duct towards a pair of receiver passages with mouths in the duct wall, and means associated with non-turbulent flow within the passages for producing signals indicative of the rate of flow. A pair of jets is used for preference, the jets meeting within the duct and continuing as a single jet towards the receiver passages. The device may be used in monitoring the rate of inhalation of a patient e.g. during administration of anaesthetic. In one form, Fig. 1, a supply of pressurized fluid 11 is branched through pressure regulators 15, 16 to jet openings 13, 14 in the wall of a duct 12. In the opposite wall are blind receiver passages 21, 22 having pressure tappings 27, 28 connected to a transducer 24. In another arrangement, the passages are connected by a loop 29 designed to produce laminar flow, Fig. 2, (not shown) and Fig. 3. In lieu of pressure tappings, hot wire means may be arranged in the laminar flow regions to give electrical signals expressing flow-rates. A single jet passage (63) may be fed from a tapping (64) in the duct wall by a pump (62) and be opposed by two blind receiver passages, as in Fig. 1, Fig. 6 (not shown), the tapping (64) being sited between the two passages. In a null seeking arrangement, Fig. 7, tappings 27, 28 on the receiver passages 21, 22 are connected to an amplifier device 65 through which pressure fluid is supplied to the jet openings 13, 14, the pressures in the receiver passages being caused to modulate supply to the respective jets and the jet passages 17, 18 being connected to the transducer 24 from which the flow-rate is derived Inhalation apparatus The device is shown used in apparatus administering anaesthetic, Fig. 3, the duct 12 being connected on one side to a face mask 33 and on the other to a vent 37 and reservoir bag 36. The jet supply passages 17, 18 are connected through pressure gauges 43, 44 and regulator valves 15, 16 to a conventional anaesthetic machine 40. The looped receiver passages 21, 22 are connected to the transducer 24 whose output is directed via an amplifier 46 and selector switch 47, to a chart recorder 49 and integrator circuit 51. The integrator is also connected to the chart recorder. A voltmeter 53 can indicate the volume of air inhaled or exhaled breath by breath or over a given time period and the recorder 49 can give rate of flow of air as a continuous read-out and, if desired total volume over a given time.
Patent GB-1048165-A (GB)
Title: Improvements in or relating to bladed rotors of rotary machines such as gas turbine engines
Inventor: MRAZEK ZDENEK
IPC: F01D5/30
Filed: 1965-03-29
Abstract: 1,048,165. Bladed turbine rotors. PRVNI BRNENSKA STROJIRNA, ZAVODY KLEMENTA GOTTWALDA NARODNI PODNIK. March 29, 1965, No. 13137/65. Heading F1T. The rotor blades 11 of a rotary machine such as a gas turbine engine are mounted in circumferential grooves 12 in the rotor, being slid into the grooves from one or more axial slots passing across all the grooves. Liners for protecting the rotor surface from contact with hot combustion gases and divided into segments each provided with a root are similarly slid into further circumferential grooves (not shown) located between the circumferential grooves 12. The last blades 11 inserted in each row of blades are held in place by an insert 1 or 7 which is inserted into the axial slot and is serrated as shown to engage the blade root and has further serrations on its axially extending flanks for engagement with corresponding serrations on the sides of the axial slot. Each insert is held in place by a lock pin 2 which is retained in position by a lock plate 6 or 8 engaging an annular recess in the lock pin.
Patent GB-419212-A (GB)
Title: Improvements in windscreen wipers for vehicles
IPC: B60S1/26
Filed: 1933-05-06
Abstract: 419,212. Toothed gearing. BERRY, A., Glendare, Stanley Road, Heysham, Lancashire. May 6, 1933, No. 13203. [Class 80 (i).] In mechanism for operating windscreencleaners an endless reciprocatory rack adapted to cause the oscillation of wiper blades and with internal or external teeth is in mesh with a pinion driven by one or more gear wheels from a shaft situated on the centre line of, and within the length of, the rack, the supports of the pinion and gear wheels being free to turn round the driving shaft when the end of the traverse of the rack is reached. The rack may be straight or curved. In the construction shown in Figs. 1 and 2, the shaft A drives through gearing B a pinion C meshing with external teeth of a rack D. The wheel B and pinion C are carried by a support G rotatably mounted on the driving shaft A. The rack reciprocates on a roller F. In a modification the rack is curved and has oscillatory movement about a fixed point. In the construction shown in Fig. 4, the rack D<1> has internal teeth engaged by the pinion C' which is mounted on a shaft carried by the support G'. A roller H engaging a guide bar J on the rack maintains the rack and pinion C<1> in engagement. In the arrangement shown in Fig. 7, the support G<3> carrying the gear wheel B<3> and the pinion C<3> engaging the rack D<3> is balanced by a weight K.
Patent GB-1121397-A (GB)
Title: Improvements in or relating to parachutes
Inventor: BASNETT JAMES THOMAS
IPC: B64D17/52
Filed: 1966-03-25
Abstract: 1,121,397. Steerable parachutes. G.Q. PARACHUTE CO. Ltd. 20 Jan., 1967 [25 March, 1966], No. 13227/66. Heading B7G. A steerable parachute comprises a canopy having apertures 39, 40, 41, 42 which can be controlled by moving a ring 57 and therefore control lines 53, 54, 55, 56 attached to vanes 49, 50, 51. The canopy may also have openings 14, 15, 16, 19, 20, 21 in each of a group of neighbouring gores, flanked on each side by short gores 24, 28 to give the parachute horizontal motion when inflated. Two symmetrical sets of apertures 39, 40, 41, 42 one each side of the group of the gores having the openings 14, 15, 16, 19, 20, 21, can be used to control both the rotation and the rate of horizontal motion of the parachute.
Patent GB-800024-A (GB)
Title: Improvements in side delivery rakes
IPC: A01D78/00
Filed: 1954-10-11
Abstract: The subject-matter of this specification is the same as that of Specification 784,309 but the claims differ.
Patent GB-132908-A (GB)
IPC: D01B1/28
Abstract: 132,908. Haughton, S. G. Oct. 11, 1918. Breaking and scutching apparatus.-A scutching-mill for flax &c. is composed of a number of units each comprising a berth for the operator, an adjustable stock, and a bladed scutching-tool. The units are uniform in structure and are readily erected and dismantled, the parts fitting into one another between suitable floor and roof members which bind the parts together. The berths comprise angle-iron frames k to which are bolted sheet-steel backs l and sides m. The frames are bound together by a steel floor n and a roof p extending the length of the mill. The whole is mounted on steel joists h, which also carry, on cross-joists t, the standards g for the bearings f of the shaft e of the scutching-blades c. A shelf r supported on oblique angle-irons q is provided in the upper part of the berth. The side of the berth next to the scutching-blades is cut away to give the necessary clearance to allow the flax to be thrown over the stock b.
Patent GB-859075-A (GB)
Title: Improvements in elastomer-resin compositions
IPC: C08L9/02
Filed: 1959-04-20
Abstract: A hard, tough thermoplastic composition, suitable for making extruded pipes, luggage, refrigerators, interior facings for automobiles and cases for articles such as batteries and typewriters, comprises 60-85% of a brittle, resinous polystyrene or copolymer of styrene and methylmethacrylate containing at least 50% of styrene and 40-15% of an elastomeric copolymer of 65-95% of butadiene with 35-5% of acrylonitrile.
Patent GB-404610-A (GB)
Title: Improvements relating to operating mechanism for motion picture film cameras
IPC: G03B1/12
Filed: 1932-05-09
Abstract: 404,610. Kinematograph cameras. INTERNATIONAL PROJECTOR CORPORATION, 92, Gold Street, New York, U.S.A. May 9, 1932, No. 13367. Convention date, June 16, 1931. [Class 97 (i).] A camera driven by a spring motor, is provided with a starting lever, movable in one direction from its stop position to permit kinematographic exposures, and in another direction to permit a single exposure only, and is also provided with a cam device adjustable to stop the apparatus after a predetermined number of kinematographic exposures. As shown, two motor-spring casings 31, 32, geared together, drive the camera through gearing including a wheel 75 provided with a stop pin 110. A starting lever 103, pivoted at 104, and normally held by a spring 106 so that a flange 109 engages the pin 110 to stop the drive, is movable by a button 107 projecting through a slot. Forward movement of the button moves the lever to release the wheel 75, and also causes the lower end 111 of the lever to move into the path of the pin 110 and stop the drive after substantially one revolution of the wheel 75 ; this movement effects a single exposure. Backward movement of the button releases the wheel 75 and permits continuous rotation to effect kinematographic exposures. The cam device comprises a cam 90 on a sleeve 91 carrying a dial 88 and a pawl 92. The pawl 92 engages ratchet teeth 93 on a plate 94 À carried by a sleeve 95a carrying ratchet teeth 95 engaged by pawls by which the sleeve &c. is rotated. A scale on the plate 94 and a reading mark on the dial 88 permit these members to be relatively adjusted in accordance with the number of exposures to be made. The adjustment causes a high point 99 on the cam to turn a lever 100 about its pivot 101 after the desired number of exposures, so that the end 102 of the lever then engages the starting lever 103 and moves it to its stop position. Rotation of the sleeve 95a during exposures is effected by two pawls 96, 97 engaging the ratchet teeth 95 and rocked by an eccentric on the shaft 98 of the spring casing 32. The Specification, as open to inspection under Sect. 91 comprises also the subject-matter of Specifications 401,682 and 405,945, and means for controlling the speed of the mechanism. This means comprises a centrifugal governor on the shaft 80, and a plate 82, Fig. 5 (Cancelled), movable by the governor along the shaft to engage a brake pad 84 carried by a flexible arm 83 fixed at its lower end. The arm 83 is connected to a threaded spindle 85 carrying a dial 87 and rotatable in a plate 86. Rotation of the dial moves the brake pad, and controls the maximum driving speed. This subject-matter does not appear in the Specification as accepted.
Patent GB-108234-A (GB)
Title: Improvements in or relating to Electric Pocket Lamps, Electric Torches, and the like.
Inventor: BELLOW EDWARD ARMSTRONG
IPC: F21L4/00
Filed: 1916-09-21
Abstract: 108,234. Bellow, E. A. Sept. 21, 1916. Battery lamps; holders.-In a battery lamp, the bulbholder d consists of a coil of wire. The coil may be continued to form a conical reflector. One e n d portion of the wire may form a switch arm, being situated so that it can be brought into contact with the short terminal strip of the battery, the long terminal resting against the centre stud of the lamp-cap. The wire may for this purpose be bent downwards and provided with a loop f extending through the casing. In another form, the end portion of the wire is straight and terminates in a small knob outside the casing; the slot in the casing may then turn at right-angles near the ends, to retain the wire in its extreme positions. The other end portion of the wire may be employed for joining the edges of the metal sheet forming the casing. Alternating tongues on the edges may for this purpose be bent around the wire after the manner of a hinge. When neither end portion of the wire is employed, as above described, the wire may be fastened to the opposite flat sides of the casing.
Patent GB-120061-A (GB)
Title: Improvements in or relating to Portable Knee Drilling Posts and the like.
Inventor: CHARTERS JAMES
IPC: B23B45/14
Filed: 1917-09-19
Abstract: 120,061. Charters, J. Sept. 19, 1917. Drilling. - A drilling post A of the kind used with a ratchet brace, has a number of centre - points K formed in surfaces at various angles, on a sliding saddle such as F, Figs. 1 and 3, or J, Fig. 11, mounted on the adjustable post H, so as to permit holes to be drilled at any desired angle. In some cases, the angular faces with the recessed centre-points K are formed on a stump G, Fig. 5, adjustably mounted direct on the drilling post A.
Patent GB-134778-A (GB)
IPC: B63B39/12
Abstract: 134,778. MacGregor, J. May 27, 1919. Displacement and draught, indicating.-Refers to the gauge for determining the draught and deadweight of ships as described in Specification 21179/13, and comprises a gauge glass a protected by a metal envelope b and having its lower extremity connected through a passage in the plug e with a flexible tube g which terminates in a conical chamber h in which works a gravity valve i. Whilst the gauge glass is being lowered, the valve i is held open by supporting the chamber h by means of a cord j, which is released when the gauge is to be brought inboard. The cord attached to the upper end of the gauge carries stops secured at equal internals to enable the gauge to be used at any position between load and light water lines. The gauge is provided with fixed scales 1, 2 graduated in accordance with the ship's freeboard mark and in quarter inches respectively. Longitudinally-adjustable scales 3, 4 are graduated in accordance with the bygiometer scale and the tons deadweight scale of the ship : the latter scale also carries a pointer 5 which works across the scale 3. By adjusting the scales relatively to the height of the water in the gauge glass, due regard being had to the density of the water in which the ship is floating, the weight of cargo required to load the ship to the water mark, or the quantity of excess cargo on board can be ascertained.
Patent GB-134806-A (GB)
IPC: F01P11/02
Abstract: 134,806. Body, L. H. Sept. 3, 1919. Venting-apparatus.- A screw-down valve I having a longitudina groove G in its screwed stem B is fitted in the filling-cap A of the petrol tank of a motor vehicle, the groove G communicating with an upper circumferential groove H to allow air to enter the tank as the petrol is withdrawn. Alternatively, a venting-passage K is formed through the valve seating F. The valve is screwed down when the engine is idle to prevent evaporation of petrol. Lock-nuts M on the stem B limit the movement of the valve.